38881313485741 has 2 divisors, whose sum is σ = 38881313485742. Its totient is φ = 38881313485740.

The previous prime is 38881313485733. The next prime is 38881313485753. The reversal of 38881313485741 is 14758431318883.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28087657448841 + 10793656036900 = 5299779^2 + 3285370^2 .

It is a cyclic number.

It is not a de Polignac number, because 38881313485741 - 2³ = 38881313485733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38881313485771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19440656742870 + 19440656742871.

It is an arithmetic number, because the mean of its divisors is an integer number (19440656742871).

Almost surely, 2^{38881313485741} is an apocalyptic number.

It is an amenable number.

38881313485741 is a deficient number, since it is larger than the sum of its proper divisors (1).

38881313485741 is an equidigital number, since it uses as much as digits as its factorization.

38881313485741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61931520, while the sum is 64.

The spelling of 38881313485741 in words is "thirty-eight trillion, eight hundred eighty-one billion, three hundred thirteen million, four hundred eighty-five thousand, seven hundred forty-one".